4044813 has 4 divisors (see below), whose sum is σ = 5393088. Its totient is φ = 2696540.

The previous prime is 4044811. The next prime is 4044841. The reversal of 4044813 is 3184404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4044813 - 2¹ = 4044811 is a prime.

It is a D-number.

4044813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674133 + ... + 674138.

It is an arithmetic number, because the mean of its divisors is an integer number (1348272).

Almost surely, 2^4044813 is an apocalyptic number.

It is an amenable number.

4044813 is a deficient number, since it is larger than the sum of its proper divisors (1348275).

4044813 is a wasteful number, since it uses less digits than its factorization.

4044813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348274.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4044813 is about 2011.1720463451. The cubic root of 4044813 is about 159.3307067993.

The spelling of 4044813 in words is "four million, forty-four thousand, eight hundred thirteen".